SUBORDINATED DEBT - Additional Information (Details) - Subordinated Debt [Member] - USD ($) $ in Thousands	1 Months Ended
	Dec. 31, 2017	Jun. 30, 2016
Debt Instrument [Line Items]
Principal amount	$ 35,000	$ 50,000
Non-callable term	5 years	5 years
Notes maturity date	Dec. 15, 2027	Jun. 30, 2026
Fixed interest rate	4.75%	6.00%
LIBOR spread	2.54%	4.85%
Debt issuance costs	$ 875	$ 1,300
Parent Company [Member]
Debt Instrument [Line Items]
Net proceeds used to contribute to the Bank	29,100	40,000
Proceeds from debt retained by parent	$ 5,000	$ 10,000